Martian climate had ups and downs
Curiosity rover spies possible evidence for fluctuating wet and dry periods.
While its sibling Perseverance has just landed on the Red Planet, the Curiosity rover – on Mars since 2012 – continue...
Astronomers declare no further research required
Astronomers around the globe reveal that we’ve learned everything we need to know about the unive...
Scientists across the world have declared that no further research is required in the field of astronomy, saying that...
2I/Borisov: Interstellar interloper
New comet is only the second ever interstellar visitor detected entering our solar system.
It’s only the second interstellar visitor a telescope on our planet has ever recorded (pipped to the post by Oumuamua...
Magnetic fields mapped around black hole
World-spanning telescope gives new view of supermassive black hole.
The Event Horizon Telescope (EHT) has just snapped a new image of the massive object lurking at the centre of the Mes...
Ocean worlds in the solar system
Earth isn’t the only planet with liquid oceans – we examine some others.
Once upon a time, the only world known to have an ocean of water was Earth. Now, planetary scientists think there are...
Aboriginal star names recognised
The stories behind Aboriginal star names recognised by the International Astronomical Union.
Milky Way star map by Bill Yidumduma Harney, Senior Wardaman Edler. Bill Yidumduma Harney, CC BY By Duane Hamacher...
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More massive, more problems
Heavy black hole may change astronomers’ understanding of their formation.
The first black hole ever discovered is more massive than we thought, according to an international team of astronome...
5 twinkling galaxies help astronomers uncover baryonic mystery.
By Yuanming Wang, University of Sydney and Tara Murphy, University of Sydney We’ve all looked up at night and admi...
“Puffed-up” planet unlike any other
Gas giants may form more easily than suspected, say astronomers.
New observations of the exoplanet WASP-107b suggest that existing models of how gas giant planets form may not be qui...
Learning the Star Knowledge of First Australians
Aboriginal and Torres Strait Islander people use their understanding of the night sky for a range...
By Peter Reeve and Duane Hamacher. What comes to mind when you think of an “astronomer”? Perhaps a scientist peeri...
AAS #237: five things we learned
Here are the key take-outs from the 237th meeting of the American Astronomical Society.
Each January, the American Astronomical Society (AAS) conducts a meeting widely hailed as the “Superbowl of astronomy...